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EWG's Tap Water Database — 2021 UPDATE

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Trichloroacetic acid

Pico Rivera Water Department

Trichloroacetic acid, one of the group of five haloacetic acids regulated by federal standards, is formed when chlorine or other disinfectants are used to treat drinking water. Haloacetic acids and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

MORE ABOUT THIS CONTAMINANT

 

88

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND120ND
2015ND120ND
2016ND160ND
2017ND160ND
2018ND160ND
2019ND160ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for trichloroacetic acid was proposed in 2020 by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk.a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-063761-803-0740ND
2014-01-063761-802-0815ND
2014-01-063761-801-0910ND
2014-01-063761-800-0930ND
2014-04-013761-803-0830ND
2014-04-013761-802-0920ND
2014-04-013761-801-1010ND
2014-04-013761-800-1030ND
2014-07-073761-803-0720ND
2014-07-073761-802-0755ND
2014-07-073761-801-0855ND
2014-07-073761-800-0920ND
2015-04-143761-801-0905ND
2015-04-143761-802-0755ND
2015-04-143761-803-0710ND
2015-04-143761-800-0930ND
2015-07-073761-803-0700ND
2015-07-073761-802-0750ND
2015-07-073761-801-0910ND
2015-07-073761-800-0935ND
2015-10-063761-801-0850ND
2015-10-063761-800-0915ND
2015-10-063761-803-0700ND
2015-10-063761-802-0745ND
2016-01-053761-803-0720ND
2016-01-053761-801-0915ND
2016-01-053761-800-0935ND
2016-01-053761-802-0805ND
2016-04-053761-800-0935ND
2016-04-053761-803-0730ND
2016-04-053761-802-0810ND
2016-04-053761-801-0915ND
2016-07-053761-800-0910ND
2016-07-053761-803-0700ND
2016-07-053761-802-0745ND
2016-07-053761-801-0850ND
2016-10-043761-801-0900ND
2016-10-043761-800-0920ND
2016-10-043761-803-0710ND
2016-10-043761-802-0755ND
2017-01-103761-801-0920ND
2017-01-103761-803-0725ND
2017-01-103761-802-0810ND
2017-01-103761-800-0950ND
2017-04-043761-803-0720ND
2017-04-043761-802-0810ND
2017-04-043761-800-0930ND
2017-04-043761-801-0905ND
2017-07-113761-800-0910ND
2017-07-113761-801-0845ND
2017-07-113761-803-0655ND
2017-07-113761-802-0735ND
2017-10-033761-802-0740ND
2017-10-033761-803-0655ND
2017-10-033761-800-0915ND
2017-10-033761-801-0850ND
2018-01-023761-802-0720ND
2018-01-023761-803-0640ND
2018-01-023761-800-0835ND
2018-01-023761-801-0815ND
2018-04-033761-800-0910ND
2018-04-033761-803-0705ND
2018-04-033761-801-0845ND
2018-04-033761-802-0750ND
2018-07-033761-801-0845ND
2018-07-033761-800-0910ND
2018-07-033761-803-0655ND
2018-07-033761-802-0740ND
2018-10-093761-800-0925ND
2018-10-093761-801-0900ND
2018-10-093761-803-0710ND
2018-10-093761-802-0755ND
2019-01-023761-803-0650ND
2019-01-023761-801-0855ND
2019-01-023761-802-0745ND
2019-01-023761-800-0915ND
2019-04-023761-803-0710ND
2019-04-023761-802-0755ND
2019-04-023761-801-0855ND
2019-04-023761-800-0915ND
2019-07-023761-800-0905ND
2019-07-023761-803-0645ND
2019-07-023761-802-0735ND
2019-07-023761-801-0845ND
2019-10-013761-800-0905ND
2019-10-013761-803-0700ND
2019-10-013761-802-0740ND
2019-10-013761-801-0845ND